As host Alan asks him about the shock connection, Danny struggles to remember the name of one of his famous relatives - before admitting his shock at the bloodline.

As Alan bows to Danny on the show, set to air on New Year's Eve, the actor says: "Well, basically, I am royalty. I am royalty. Royalty that’s gone wrong ain’t I? That’s what happened.

"I’m f***ing royal. Edward III, Thomas Cromwell all the way back to William The Conqueror, and the geezer that built Westminster Abbey, but I can’t remember his f***ing name! He is important though – proper geezer."

Asked if he expected such a huge bombshell, Danny replies: "No, I didn’t have a clue. It was a complete surprise. I still don’t believe it now. I thought they were winding me up to be honest with you, but I am in line to the throne."

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Elsewhere, Danny Dyer performs on karaokeCredit: Channel 4

Speaking about how he found out the truth on the show, Danny adds: "It got depressing first. There was a dead baby involved and all that. I don’t want to bring the party down, and then all of a sudden I’m bowling about at Hampton Court Palace giving it the big one. I couldn’t believe it."

Alan asks: "And you are a proper descendant. It ain’t like one of those ‘my cleaners second cousin twice removed’?"

To which the actor replies: "No, proper bloodline. What the f***ing hell went wrong? You know what I mean?"

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Alan Carr's New Year Spectacular features big guestsCredit: C4

Alan later presents a ruff to the star, after he admits he's yet to get himself one, to which Danny says: "I have got the scroll and all that b******s. It still ain’t hit me yet. It’s mental. Its got to be b******s ain’t it? They can’t lie though. It has to be true."

And Laura Whitmore even hints at romance rumours with her Strictly Come Dancing partner Giovanni.

Asked about rumours they've been dating, Laura says: "He was a great dance partner and we trained together pretty much every day, Greg knows what it’s like, it’s full on, and that is it. I wish there was more to it but that’s it. We don’t love each other. We don’t hate each other. We like each other."

Alan Carr's New Year Specstacular airs at 9pm on December 31 on Channel 4